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Kathmandu

$368+ Cheap flights from Illinois to Kathmandu (KTM)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/22. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — KTM
Dec 18 — Dec 251
Thu 12/18
Thu 12/25
1 adult, Economy
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Cheap flight deals from Illinois to Kathmandu

Keep the following information in mind while searching for Illinois to Kathmandu flight deals. Data was last updated November 18, 2025.

Most accurate provider

Justfly.com
3 stars

Most trusted provider

Justfly.com
3 stars

Round-trip from

$788
(FlightHub)

One-way from

$368
(FlightHub)

Popular in

July

Cheapest in

September

Average price

$1,142
Provider with most accurate pricing for Chicago (CHI)-Kathmandu Tribhuvan flight deals.
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Provider most trusted by Cheapflights users for Chicago (CHI)-Kathmandu Tribhuvan flights.
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From Illinois to Kathmandu Tribhuvan
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One-way flight from Illinois to Kathmandu Tribhuvan
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Highest demand for flights based on searches. 7% potential increase in price ($104 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($27 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Illinois to Kathmandu

Cheapest flights from Illinois to Kathmandu
Explore the most affordable flight options available from Illinois to Kathmandu. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 18, 2025.

This FlightHub deal was found by Cheapflights users on 11/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/302:35 pmORD - KTM
1 stop43h 10mCathay Pacific
Wed 2/410:55 pmKTM - ORD
1 stop25h 45mCathay Pacific
Deal found 11/17$788
This Indian Eagle deal was found by Cheapflights users on 11/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/32:35 pmORD - KTM
1 stop43h 10mCathay Pacific
Thu 12/1810:55 pmKTM - ORD
1 stop25h 45mCathay Pacific
Deal found 11/17$794
This FlightHub deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/242:35 pmORD - KTM
1 stop43h 10mCathay Pacific
Mon 2/910:55 pmKTM - ORD
1 stop25h 45mCathay Pacific
Deal found 11/16$888
This Indian Eagle deal was found by Cheapflights users on 11/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Indian Eagle is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/302:35 pmORD - KTM
1 stop43h 10mCathay Pacific
Mon 12/810:55 pmKTM - ORD
1 stop25h 45mCathay Pacific
Deal found 11/15$957
This Ovago deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/42:35 pmORD - KTM
1 stop43h 10mCathay Pacific
Sat 1/3110:55 pmKTM - ORD
1 stop25h 45mCathay Pacific
Deal found 11/16$1,075
This Cathay Pacific deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/243:00 pmORD - KTM
2 stops42h 45mMultiple Airlines
Mon 2/910:55 pmKTM - ORD
1 stop25h 45mMultiple Airlines
Deal found 11/16$1,181
This Trip.com deal was found by Cheapflights users on 11/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/111:50 amORD - KTM
2 stops40h 55mMultiple Airlines
Tue 12/161:45 pmKTM - ORD
2 stops56h 05mMultiple Airlines
Deal found 11/15$1,186
This CheapOair deal was found by Cheapflights users on 11/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/211:50 amORD - KTM
2 stops34h 15mIndiGo
Wed 12/175:10 pmKTM - ORD
2 stops37h 00mIndiGo
Deal found 11/16$1,189
This Mytrip deal was found by Cheapflights users on 11/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/256:30 pmORD - KTM
3 stops34h 15mMultiple Airlines
Wed 12/310:50 amKTM - ORD
2 stops32h 30mMultiple Airlines
Deal found 11/17$1,212
This FlightHub deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/262:35 pmORD - KTM
1 stop43h 10mCathay Pacific
Thu 12/410:55 pmKTM - ORD
1 stop25h 45mCathay Pacific
Deal found 11/18$1,216
This Ovago deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/82:35 pmORD - KTM
1 stop43h 10mCathay Pacific
Thu 2/510:55 pmKTM - ORD
1 stop25h 45mCathay Pacific
Deal found 11/18$1,221
This Ovago deal was found by Cheapflights users on 11/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/82:35 pmORD - KTM
1 stop43h 10mCathay Pacific
Sat 2/1410:55 pmKTM - ORD
1 stop25h 45mCathay Pacific
Deal found 11/18$1,223

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Kathmandu that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 18, 2025.
Use the filters below to find and compare flights from Illinois to Kathmandu that are best for you.

Fly from

Illinois

Fly to

Kathmandu

Route

Depart

Return

Price

St. LouisKathmandu

STL - KTM

STLKTM

Lambert-St Louis

Tue 1/20

11:05 am-9:30 pm

2 stops46h 40m

Kathmandu Tribhuvan

Tue 3/3

10:55 pm-11:48 pm

2 stops36h 38m

$1,177

ChicagoKathmandu

ORD - KTM

ORDKTM

Chicago O'Hare Intl

Mon 11/24

3:00 pm-9:30 pm

2 stops42h 45m

Kathmandu Tribhuvan

Mon 2/9

10:55 pm-12:55 pm

1 stop25h 45m

$1,181

ChicagoKathmandu

ORD - KTM

ORDKTM

Chicago O'Hare Intl

Fri 1/2

1:10 pm-9:05 am

3 stops32h 10m

Kathmandu Tribhuvan

Mon 2/16

1:45 pm-7:35 am

2 stops29h 35m

$1,184

ChicagoKathmandu

ORD - KTM

ORDKTM

Chicago O'Hare Intl

Sat 2/14

11:16 am-9:30 pm

2 stops46h 29m

Kathmandu Tribhuvan

Thu 3/26

10:55 pm-1:55 pm

1 stop25h 45m

$1,238

St. LouisKathmandu

STL - KTM

STLKTM

Lambert-St Louis

Thu 1/22

11:05 am-9:30 pm

2 stops46h 40m

Kathmandu Tribhuvan

Mon 1/26

10:55 pm-6:16 pm

2 stops31h 06m

$1,240

ChicagoKathmandu

ORD - KTM

ORDKTM

Chicago O'Hare Intl

Wed 11/26

2:35 pm-9:30 pm

1 stop43h 10m

Kathmandu Tribhuvan

Fri 12/12

10:55 pm-5:20 am

2 stops42h 10m

$1,242

ChicagoKathmandu

ORD - KTM

ORDKTM

Chicago O'Hare Intl

Tue 11/25

2:35 pm-9:30 pm

1 stop43h 10m

Kathmandu Tribhuvan

Wed 12/3

10:55 pm-5:20 am

2 stops42h 10m

$1,242

ChicagoKathmandu

ORD - KTM

ORDKTM

Chicago O'Hare Intl

Wed 11/26

2:35 pm-9:30 pm

1 stop43h 10m

Kathmandu Tribhuvan

Wed 12/3

10:55 pm-5:20 am

2 stops42h 10m

$1,242

St. LouisKathmandu

STL - KTM

STLKTM

Lambert-St Louis

Fri 2/20

11:46 am-9:30 pm

2 stops45h 59m

Kathmandu Tribhuvan

Tue 3/10

10:55 pm-11:09 pm

2 stops34h 59m

$1,248

ChicagoKathmandu

ORD - KTM

ORDKTM

Chicago O'Hare Intl

Wed 12/3

6:17 pm-9:30 pm

2 stops39h 28m

Kathmandu Tribhuvan

Thu 12/18

10:55 pm-12:55 pm

1 stop25h 45m

$1,288

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/18

Showing 1-10 of 34 results
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Best time to book a flight from Illinois to Kathmandu

Have a flexible travel schedule? Discover the best time to fly to Kathmandu from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Kathmandu

What is the cheapest month to book a flight from Illinois to Kathmandu?

Currently, November is the cheapest month in which you can book a flight from Illinois to Kathmandu (average of $695). Flying from Illinois to Kathmandu in June is currently the most expensive (average of $1,159). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IL to KTM?

Find hourly flight availability from Illinois to Kathmandu. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 18, 2025.

When flying from Illinois to Kathmandu, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 24% versus a flight at noon.

What is the cheapest day to fly from Illinois to Kathmandu?

Use this chart to determine the cheapest time to fly round-trip from Illinois to Kathmandu. Price data was last updated on November 24, 2024.

Travelers seeking maximum savings on their Illinois to Kathmandu flight should consider departing on Thursday at noon when fares are most often at their lowest. Thursday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Related info for your journey

Find useful and relevant information for your journey from Illinois to Kathmandu. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Kathmandu from Illinois?

    Kathmandu Tribhuvan (KTM) is the airport you will fly into if you book a flight from Illinois to Kathmandu. It is only a 2.5 mi journey from Tribhuvan (KTM) to Kathmandu’s city center.

  • How long is the flight from Illinois to Kathmandu?

    Departing from Illinois to Kathmandu will take you 46h 40m. Illinois and Kathmandu are separated by a distance of 7832 mi.

  • Can I find deals for flights from Illinois to Kathmandu that include hotel bookings?

    Yes. In addition to deals on Illinois to Kathmandu flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Kathmandu?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Kathmandu.

  • Can I find deals for business class flights from Illinois to Kathmandu?

    Yes. Cheapflights offers flight deals from Illinois to Kathmandu by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to Kathmandu?

    Currently, November is the cheapest month in which you can book a flight from Illinois to Kathmandu (average of $695). Flying from Illinois to Kathmandu in June is currently the most expensive (average of $1,159). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Kathmandu?

Book flights to Kathmandu if you plan to visit one of these locations
Nagarkot

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Alternative routes for Illinois to Kathmandu

See prices for flight routes from nearby airports that may be better suited for you.
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Top 9 airlines flying from Illinois to Kathmandu

Discover the top 9 airlines that operate flights from Illinois to Kathmandu. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated November 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$699Average$815FlexibilityNo cancel feeOn-time72%
Turkish AirlinesCheapest$967Average$1,560FlexibilityNo cancel feeOn-time77%
Qatar AirwaysCheapest$1,000Average$1,560FlexibilityNo cancel feeOn-time68%
Air IndiaCheapest$1,000Average$1,293FlexibilityNo cancel feeOn-timeN/A
Etihad AirwaysCheapest$1,095Average$1,340FlexibilityNo cancel feeOn-time75%
IndiGoCheapest$1,146Average$1,356FlexibilityNo cancel feeOn-time80%
EmiratesCheapest$1,181Average$1,603FlexibilityNo cancel feeOn-time75%
China SouthernCheapest$1,378Average$1,925FlexibilityNo cancel feeOn-time69%
SWISSCheapest$1,599Average$1,674FlexibilityNo cancel feeOn-time79%

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